package com.example.leetcode.stack;

import com.example.leetcode.stack.common.StackUtils;

class Solution316 {
    public String removeDuplicateLetters(String s) {
        return StackUtils.removeDuplicateLetters(s);
    }
}

public class leetcode316 {
    public static void main(String[] args) {
        Solution316 solution316 = new Solution316();
        System.out.println(solution316.removeDuplicateLetters("bcabc"));
        System.out.println(solution316.removeDuplicateLetters("cbacdcbc"));
        System.out.println(solution316.removeDuplicateLetters("acbac"));
        System.out.println(solution316.removeDuplicateLetters("abacb"));
        System.out.println(solution316.removeDuplicateLetters("bbcaac"));
    }
}
